Based on the earthquake pattern, what type of tectonic boundary is this? What makes you say this?

What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

The chemical form of energy that is useable by the cell to do work

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.